Используйте приложение APKPure
Историческую версию droidplot можно получить на Android
GNUPLOT работает на Android.
gnuplot running on android.
Need ATE (android terminal emulator) installed before you install this to work - https://play.google.com/store/apps/details?id=jackpal.androidterm&feature=nav_result#?t=W251bGwsMSwxLDMsImphY2twYWwuYW5kcm9pZHRlcm0iXQ..
This app is no longer the plotting engine for Octave. Get the Octave Gnuplot Package instead (com.octave.gnuplot).